package com.zhongbo.java.websocket.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.zhongbo.java.websocket.model.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

/**
 * 说明：
 *
 * @author 钟波dellNotebook
 * @since 2025年03月18日 星期二 13:58:57
 */
@Mapper
public interface UserMapper extends BaseMapper<User> {

    @Select("select count(*) from user")
    public int selectAllCount();


}
